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CVE-2018-1337

32
FAUCET Score

CVE-2018-1337 describes a critical vulnerability in Apache Directory LDAP API versions prior to 1.0.2, where a flaw in the SSL Filter setup could allow a separate thread to access a pooled connection before TLS encryption is established. This could lead to the exposure of sensitive information, including credentials from BIND requests. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity, potentially resulting in complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, its high severity warrants immediate patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.2CPE matchmatch criteria
cpe:2.3:a:apache:directory_ldap_api:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.17%
Probability of exploitation in next 30 days
EPSS Percentile
91.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0517 is in the 86th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.apache.directory.api:apache-ldap-apiFixed in: 1.0.2

Vendor Advisories (1)

mavenGHSA-cfw5-v7cw-69cwcritical

Credential leak in org.apache.directory.api:apache-ldap-api

Nov 9, 2018

References

lists.apache.org / thread.html/d66081195e9a02ee7cc20fb243b60467d1419586eed28297d820768f%40%3Cdev.directory.apache.org%3E
lists.apache.org / thread.html/r0e645b3f6ca977dc60b7cec231215c59a9471736c2402c1fef5a0616%40%3Cjira.kafka.apache.org%3E
lists.apache.org / thread.html/r1815fb5b0c345f571c740e7a1b48d7477647edd4ffcf9d5321e69446%40%3Cdev.kafka.apache.org%3E
lists.apache.org / thread.html/r1a258430d820a90ff9d4558319296cc517ff2252327d7b3546d16749%40%3Cjira.kafka.apache.org%3E
lists.apache.org / thread.html/r4da40aa50cfdb2158898f2bc6df81feec1d42c6a06db6537d5cc0496%40%3Cjira.kafka.apache.org%3E
lists.apache.org / thread.html/r55e74532e7f9e84ecfa56b4e0a50a5fe0ba6f7a76880520e4400b0d7%40%3Cjira.kafka.apache.org%3E
lists.apache.org / thread.html/r56b304fb9960c869995efbb31da3b9b7c6d53ee31f7f7048eb80434b%40%3Cdev.kafka.apache.org%3E
securityfocus.com / bid/104744
Third Party AdvisoryVDB Entry